CCCBDB listing of experimental data page 2

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Mode Number	Symmetry	Frequency			Intensity			Comment	Description
Mode Number	Symmetry	Fundamental(cm^-1)	Harmonic(cm^-1)	Reference	(km mol^-1)	unc.	Reference	Comment	Description
1	A₁	1868		webbook					NO sym str
2	A₁	239							N..N stretch
3	A₁	135							NNO sym bend
4	A₂	117							torsion
5	B₂	1789							NO asym str
6	B₂	429							NNO asym bend

Description	Value	unc.	Connectivity				Reference	Comment
Description	Value	unc.	Atom 1	Atom 2	Atom 3	Atom 4	Reference	Comment
rNO	1.161	0.004	1	3			1983Kuc:80
rNN	2.236	0.001	1	2			1983Kuc:80
aNNO	99.6	0.2	1	2	4		1983Kuc:80

Atom	y (Å)	z (Å)
N1	1.1180	0.6105
N2	-1.1180	0.6105
O3	1.3116	-0.5342
O4	-1.3116	-0.5342

	N1	N2	O3	O4
N1		2.2360	1.1610	2.6858
N2	2.2360		2.6858	1.1610
O3	1.1610	2.6858		2.6232
O4	2.6858	1.1610	2.6232

Bond Type	Count
N-N	1
N=O	2

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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State	Config	State description	Conf description	Exp. min.	Dipole (Debye)				Reference	comment	Point Group	Components
State	Config	State description	Conf description	Exp. min.	x	y	z	total	Reference	comment	Point Group	dipole	quadrupole
1	1	¹A₁	cis C2V	True							C_2v	1	2
1	2	¹A_g	trans C2H	False							C_2h	0	3
1	3	¹A	C₂	False							C₂	1	3

squib	reference	DOI
1983Kuc:80	SG Kuckolich "Structure and Quadrupole Coupling Measurements of the NO Dimer" J. Molecular Spectroscopy 98, 80-86 (1983)	10.1016/0022-2852(83)90204-7
webbook	NIST Chemistry Webbook (http://webbook.nist.gov/chemistry)	10.18434/T4D303

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Experimental data for ONNO (NO dimer)